<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /><title>ArrayUtils xref</title>
<link type="text/css" rel="stylesheet" href="../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../../../../../apidocs/org/azeckoski/reflectutils/ArrayUtils.html">View Javadoc</a></div><pre>

<a name="1" href="#1">1</a>   <em>/**<em>*</em></em>
<a name="2" href="#2">2</a>   <em> * $Id: ArrayUtils.html 10 2008-10-01 10:56:15Z azeckoski $</em>
<a name="3" href="#3">3</a>   <em> * $URL: http://reflectutils.googlecode.com/svn/maven/site/xref/org/azeckoski/reflectutils/ArrayUtils.html $</em>
<a name="4" href="#4">4</a>   <em> * ArrayUtils.java - genericdao - May 5, 2008 2:16:35 PM - azeckoski</em>
<a name="5" href="#5">5</a>   <em> **************************************************************************</em>
<a name="6" href="#6">6</a>   <em> * Copyright (c) 2008 Aaron Zeckoski</em>
<a name="7" href="#7">7</a>   <em> * Licensed under the Apache License, Version 2</em>
<a name="8" href="#8">8</a>   <em> * </em>
<a name="9" href="#9">9</a>   <em> * A copy of the Apache License, Version 2 has been included in this </em>
<a name="10" href="#10">10</a>  <em> * distribution and is available at: <a href="http://www.apache.org/licenses/LICENSE-2.0.txt" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0.txt</a></em>
<a name="11" href="#11">11</a>  <em> *</em>
<a name="12" href="#12">12</a>  <em> * Aaron Zeckoski (azeckoski@gmail.com) (aaronz@vt.edu) (aaron@caret.cam.ac.uk)</em>
<a name="13" href="#13">13</a>  <em> */</em>
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  <strong>package</strong> org.azeckoski.reflectutils;
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <strong>import</strong> java.lang.reflect.Array;
<a name="18" href="#18">18</a>  <strong>import</strong> java.util.HashSet;
<a name="19" href="#19">19</a>  <strong>import</strong> java.util.Iterator;
<a name="20" href="#20">20</a>  <strong>import</strong> java.util.List;
<a name="21" href="#21">21</a>  <strong>import</strong> java.util.Set;
<a name="22" href="#22">22</a>  
<a name="23" href="#23">23</a>  <em>/**<em>*</em></em>
<a name="24" href="#24">24</a>  <em> * Utils for working with collections and arrays (these are basically convenience methods)</em>
<a name="25" href="#25">25</a>  <em> * </em>
<a name="26" href="#26">26</a>  <em> * @author Aaron Zeckoski (aaronz@vt.edu)</em>
<a name="27" href="#27">27</a>  <em> */</em>
<a name="28" href="#28">28</a>  <strong>public</strong> <strong>class</strong> <a href="../../../org/azeckoski/reflectutils/ArrayUtils.html">ArrayUtils</a> {
<a name="29" href="#29">29</a>  
<a name="30" href="#30">30</a>      <em>/**<em>*</em></em>
<a name="31" href="#31">31</a>  <em>     * Resize an array and return the new one,</em>
<a name="32" href="#32">32</a>  <em>     * this will truncate an array or expand it depending on the size given</em>
<a name="33" href="#33">33</a>  <em>     * </em>
<a name="34" href="#34">34</a>  <em>     * @param &lt;T></em>
<a name="35" href="#35">35</a>  <em>     * @param array any array</em>
<a name="36" href="#36">36</a>  <em>     * @param newSize the new size for the array</em>
<a name="37" href="#37">37</a>  <em>     * @return the resized array</em>
<a name="38" href="#38">38</a>  <em>     */</em>
<a name="39" href="#39">39</a>      @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="40" href="#40">40</a>      <strong>public</strong> <strong>static</strong> &lt;T> T[] resize(T[] array, <strong>int</strong> newSize) {
<a name="41" href="#41">41</a>          Class&lt;?> type = array.getClass().getComponentType();
<a name="42" href="#42">42</a>          T[] newArray = (T[]) Array.newInstance(type, newSize);
<a name="43" href="#43">43</a>          <strong>int</strong> toCopy = Math.min(array.length, newArray.length);
<a name="44" href="#44">44</a>          System.arraycopy( array, 0, newArray, 0, toCopy );
<a name="45" href="#45">45</a>          <strong>return</strong> newArray;
<a name="46" href="#46">46</a>      }
<a name="47" href="#47">47</a>  
<a name="48" href="#48">48</a>      <em>/**<em>*</em></em>
<a name="49" href="#49">49</a>  <em>     * @param &lt;T></em>
<a name="50" href="#50">50</a>  <em>     * @param type any class type (including primitives)</em>
<a name="51" href="#51">51</a>  <em>     * @param newSize the initial size for the new array</em>
<a name="52" href="#52">52</a>  <em>     * @return the new array</em>
<a name="53" href="#53">53</a>  <em>     */</em>
<a name="54" href="#54">54</a>      @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="55" href="#55">55</a>      <strong>public</strong> <strong>static</strong> &lt;T> T[] create(Class&lt;T> type, <strong>int</strong> newSize) {
<a name="56" href="#56">56</a>          T[] newArray = (T[]) Array.newInstance(type, newSize);
<a name="57" href="#57">57</a>          <strong>return</strong> newArray;
<a name="58" href="#58">58</a>      }
<a name="59" href="#59">59</a>  
<a name="60" href="#60">60</a>      <em>/**<em>*</em></em>
<a name="61" href="#61">61</a>  <em>     * @param &lt;T></em>
<a name="62" href="#62">62</a>  <em>     * @param array any array</em>
<a name="63" href="#63">63</a>  <em>     * @return the size of the array</em>
<a name="64" href="#64">64</a>  <em>     */</em>
<a name="65" href="#65">65</a>      <strong>public</strong> <strong>static</strong> &lt;T> <strong>int</strong> size(T[] array) {
<a name="66" href="#66">66</a>          <strong>return</strong> Array.getLength(array);
<a name="67" href="#67">67</a>      }
<a name="68" href="#68">68</a>  
<a name="69" href="#69">69</a>      <em>/**<em>*</em></em>
<a name="70" href="#70">70</a>  <em>     * @param &lt;T></em>
<a name="71" href="#71">71</a>  <em>     * @param array any array</em>
<a name="72" href="#72">72</a>  <em>     * @return the component type of the items in the array</em>
<a name="73" href="#73">73</a>  <em>     */</em>
<a name="74" href="#74">74</a>      <strong>public</strong> <strong>static</strong> &lt;T> Class&lt;?> type(T[] array) {
<a name="75" href="#75">75</a>          <strong>return</strong> array.getClass().getComponentType();
<a name="76" href="#76">76</a>      }
<a name="77" href="#77">77</a>  
<a name="78" href="#78">78</a>      <em>/**<em>*</em></em>
<a name="79" href="#79">79</a>  <em>     * Make a copy of an array</em>
<a name="80" href="#80">80</a>  <em>     * </em>
<a name="81" href="#81">81</a>  <em>     * @param &lt;T></em>
<a name="82" href="#82">82</a>  <em>     * @param array an array of objects</em>
<a name="83" href="#83">83</a>  <em>     * @return a copy of the array</em>
<a name="84" href="#84">84</a>  <em>     */</em>
<a name="85" href="#85">85</a>      @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="86" href="#86">86</a>      <strong>public</strong> <strong>static</strong> &lt;T> T[] copy(T[] array) {
<a name="87" href="#87">87</a>          Class&lt;?> type = array.getClass().getComponentType();
<a name="88" href="#88">88</a>          T[] newArray = (T[]) Array.newInstance(type, array.length);
<a name="89" href="#89">89</a>          System.arraycopy( array, 0, newArray, 0, array.length );
<a name="90" href="#90">90</a>          <strong>return</strong> newArray;
<a name="91" href="#91">91</a>      }
<a name="92" href="#92">92</a>  
<a name="93" href="#93">93</a>      <em>/**<em>*</em></em>
<a name="94" href="#94">94</a>  <em>     * Make a template copy of an array (empty copy which is the same size and type)</em>
<a name="95" href="#95">95</a>  <em>     * @param &lt;T></em>
<a name="96" href="#96">96</a>  <em>     * @param array any array</em>
<a name="97" href="#97">97</a>  <em>     * @return the template copy (empty but same size as input)</em>
<a name="98" href="#98">98</a>  <em>     */</em>
<a name="99" href="#99">99</a>      @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="100" href="#100">100</a>     <strong>public</strong> <strong>static</strong> &lt;T> T[] template(T[] array) {
<a name="101" href="#101">101</a>         Class&lt;?> type = array.getClass().getComponentType();
<a name="102" href="#102">102</a>         T[] newArray = (T[]) Array.newInstance(type, array.length);
<a name="103" href="#103">103</a>         <strong>return</strong> newArray;
<a name="104" href="#104">104</a>     }
<a name="105" href="#105">105</a> 
<a name="106" href="#106">106</a>     <em>/**<em>*</em></em>
<a name="107" href="#107">107</a> <em>     * Checks to see if an array contains a value,</em>
<a name="108" href="#108">108</a> <em>     * will return false if a null value is supplied</em>
<a name="109" href="#109">109</a> <em>     * </em>
<a name="110" href="#110">110</a> <em>     * @param &lt;T></em>
<a name="111" href="#111">111</a> <em>     * @param array any array of objects</em>
<a name="112" href="#112">112</a> <em>     * @param value the value to check for</em>
<a name="113" href="#113">113</a> <em>     * @return true if the value is found, false otherwise</em>
<a name="114" href="#114">114</a> <em>     */</em>
<a name="115" href="#115">115</a>     <strong>public</strong> <strong>static</strong> &lt;T> <strong>boolean</strong> contains(T[] array, T value) {
<a name="116" href="#116">116</a>         <strong>boolean</strong> foundValue = false;
<a name="117" href="#117">117</a>         <strong>if</strong> (value != <strong>null</strong>) {
<a name="118" href="#118">118</a>             <strong>for</strong> (<strong>int</strong> i = 0; i &lt; array.length; i++) {
<a name="119" href="#119">119</a>                 <strong>if</strong> (value.equals(array[i])) {
<a name="120" href="#120">120</a>                     foundValue = <strong>true</strong>;
<a name="121" href="#121">121</a>                     <strong>break</strong>;
<a name="122" href="#122">122</a>                 }
<a name="123" href="#123">123</a>             }
<a name="124" href="#124">124</a>         }
<a name="125" href="#125">125</a>         <strong>return</strong> foundValue;
<a name="126" href="#126">126</a>     }
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a>     <em>/**<em>*</em></em>
<a name="129" href="#129">129</a> <em>     * Checks to see if an array contains a value</em>
<a name="130" href="#130">130</a> <em>     * </em>
<a name="131" href="#131">131</a> <em>     * @param array</em>
<a name="132" href="#132">132</a> <em>     * @param value</em>
<a name="133" href="#133">133</a> <em>     * @return true if the value is found, false otherwise</em>
<a name="134" href="#134">134</a> <em>     */</em>
<a name="135" href="#135">135</a>     <strong>public</strong> <strong>static</strong> <strong>boolean</strong> contains(<strong>int</strong>[] array, <strong>int</strong> value) {
<a name="136" href="#136">136</a>         <strong>boolean</strong> foundValue = false;
<a name="137" href="#137">137</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; array.length; i++) {
<a name="138" href="#138">138</a>             <strong>if</strong> (value == array[i]) {
<a name="139" href="#139">139</a>                 foundValue = <strong>true</strong>;
<a name="140" href="#140">140</a>                 <strong>break</strong>;
<a name="141" href="#141">141</a>             }
<a name="142" href="#142">142</a>         }
<a name="143" href="#143">143</a>         <strong>return</strong> foundValue;
<a name="144" href="#144">144</a>     }
<a name="145" href="#145">145</a> 
<a name="146" href="#146">146</a>     <em>/**<em>*</em></em>
<a name="147" href="#147">147</a> <em>     * Append an item to the end of an array and return the new array</em>
<a name="148" href="#148">148</a> <em>     * </em>
<a name="149" href="#149">149</a> <em>     * @param array an array of items</em>
<a name="150" href="#150">150</a> <em>     * @param value the item to append to the end of the new array</em>
<a name="151" href="#151">151</a> <em>     * @return a new array with value in the last spot</em>
<a name="152" href="#152">152</a> <em>     */</em>
<a name="153" href="#153">153</a>     <strong>public</strong> <strong>static</strong> String[] appendArray(String[] array, String value) {
<a name="154" href="#154">154</a>         String[] <strong>new</strong>Array = <strong>new</strong> String[array.length + 1];
<a name="155" href="#155">155</a>         System.arraycopy( array, 0, newArray, 0, array.length );
<a name="156" href="#156">156</a>         newArray[newArray.length-1] = value;
<a name="157" href="#157">157</a>         <strong>return</strong> newArray;
<a name="158" href="#158">158</a>     }
<a name="159" href="#159">159</a> 
<a name="160" href="#160">160</a>     <em>/**<em>*</em></em>
<a name="161" href="#161">161</a> <em>     * Append an item to the end of an array and return the new array</em>
<a name="162" href="#162">162</a> <em>     * </em>
<a name="163" href="#163">163</a> <em>     * @param array an array of items</em>
<a name="164" href="#164">164</a> <em>     * @param value the item to append to the end of the new array</em>
<a name="165" href="#165">165</a> <em>     * @return a new array with value in the last spot</em>
<a name="166" href="#166">166</a> <em>     */</em>
<a name="167" href="#167">167</a>     @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="168" href="#168">168</a>     <strong>public</strong> <strong>static</strong> &lt;T> T[] appendArray(T[] array, T value) {
<a name="169" href="#169">169</a>         Class&lt;?> type = array.getClass().getComponentType();
<a name="170" href="#170">170</a>         T[] newArray = (T[]) Array.newInstance(type, array.length + 1);
<a name="171" href="#171">171</a>         System.arraycopy( array, 0, newArray, 0, array.length );
<a name="172" href="#172">172</a>         newArray[newArray.length-1] = value;
<a name="173" href="#173">173</a>         <strong>return</strong> newArray;
<a name="174" href="#174">174</a>     }
<a name="175" href="#175">175</a> 
<a name="176" href="#176">176</a>     <em>/**<em>*</em></em>
<a name="177" href="#177">177</a> <em>     * Append an array to another array</em>
<a name="178" href="#178">178</a> <em>     * </em>
<a name="179" href="#179">179</a> <em>     * @param array1 an array of items</em>
<a name="180" href="#180">180</a> <em>     * @param array2 an array of items</em>
<a name="181" href="#181">181</a> <em>     * @return a new array with array1 first and array2 appended on the end</em>
<a name="182" href="#182">182</a> <em>     */</em>
<a name="183" href="#183">183</a>     @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="184" href="#184">184</a>     <strong>public</strong> <strong>static</strong> &lt;T> T[] appendArrays(T[] array1, T[] array2) {
<a name="185" href="#185">185</a>         Class&lt;?> type = array1.getClass().getComponentType();
<a name="186" href="#186">186</a>         T[] newArray = (T[]) Array.newInstance(type, array1.length + array2.length);
<a name="187" href="#187">187</a>         System.arraycopy( array1, 0, newArray, 0, array1.length );
<a name="188" href="#188">188</a>         System.arraycopy( array2, 0, newArray, array1.length, array2.length );
<a name="189" href="#189">189</a>         <strong>return</strong> newArray;
<a name="190" href="#190">190</a>     }
<a name="191" href="#191">191</a> 
<a name="192" href="#192">192</a>     <em>/**<em>*</em></em>
<a name="193" href="#193">193</a> <em>     * Append an item to the end of an array and return the new array</em>
<a name="194" href="#194">194</a> <em>     * </em>
<a name="195" href="#195">195</a> <em>     * @param array an array of items</em>
<a name="196" href="#196">196</a> <em>     * @param value the item to append to the end of the new array</em>
<a name="197" href="#197">197</a> <em>     * @return a new array with value in the last spot</em>
<a name="198" href="#198">198</a> <em>     */</em>
<a name="199" href="#199">199</a>     <strong>public</strong> <strong>static</strong> <strong>int</strong>[] appendArray(<strong>int</strong>[] array, <strong>int</strong> value) {
<a name="200" href="#200">200</a>         <strong>int</strong>[] <strong>new</strong>Array = <strong>new</strong> <strong>int</strong>[array.length + 1];
<a name="201" href="#201">201</a>         System.arraycopy( array, 0, newArray, 0, array.length );
<a name="202" href="#202">202</a>         newArray[newArray.length-1] = value;
<a name="203" href="#203">203</a>         <strong>return</strong> newArray;
<a name="204" href="#204">204</a>     }
<a name="205" href="#205">205</a> 
<a name="206" href="#206">206</a>     <em>/**<em>*</em></em>
<a name="207" href="#207">207</a> <em>     * Prepend an item to the front of an array and return the new array</em>
<a name="208" href="#208">208</a> <em>     * </em>
<a name="209" href="#209">209</a> <em>     * @param array an array of items</em>
<a name="210" href="#210">210</a> <em>     * @param value the item to prepend to the front of the new array</em>
<a name="211" href="#211">211</a> <em>     * @return a new array with value in the first spot</em>
<a name="212" href="#212">212</a> <em>     */</em>
<a name="213" href="#213">213</a>     <strong>public</strong> <strong>static</strong> String[] prependArray(String[] array, String value) {
<a name="214" href="#214">214</a>         String[] <strong>new</strong>Array = <strong>new</strong> String[array.length + 1];
<a name="215" href="#215">215</a>         System.arraycopy( array, 0, newArray, 1, array.length );
<a name="216" href="#216">216</a>         newArray[0] = value;
<a name="217" href="#217">217</a>         <strong>return</strong> newArray;
<a name="218" href="#218">218</a>     }
<a name="219" href="#219">219</a> 
<a name="220" href="#220">220</a>     <em>/**<em>*</em></em>
<a name="221" href="#221">221</a> <em>     * Prepend an item to the front of an array and return the new array</em>
<a name="222" href="#222">222</a> <em>     * </em>
<a name="223" href="#223">223</a> <em>     * @param array an array of items</em>
<a name="224" href="#224">224</a> <em>     * @param value the item to prepend to the front of the new array</em>
<a name="225" href="#225">225</a> <em>     * @return a new array with value in the first spot</em>
<a name="226" href="#226">226</a> <em>     */</em>
<a name="227" href="#227">227</a>     @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="228" href="#228">228</a>     <strong>public</strong> <strong>static</strong> &lt;T> T[] prependArray(T[] array, T value) {
<a name="229" href="#229">229</a>         Class&lt;?> type = array.getClass().getComponentType();
<a name="230" href="#230">230</a>         T[] newArray = (T[]) Array.newInstance(type, array.length + 1);
<a name="231" href="#231">231</a>         System.arraycopy( array, 0, newArray, 1, array.length );
<a name="232" href="#232">232</a>         newArray[0] = value;
<a name="233" href="#233">233</a>         <strong>return</strong> newArray;
<a name="234" href="#234">234</a>     }
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a>     <em>/**<em>*</em></em>
<a name="237" href="#237">237</a> <em>     * Prepend an item to the front of an array and return the new array</em>
<a name="238" href="#238">238</a> <em>     * </em>
<a name="239" href="#239">239</a> <em>     * @param array an array of items</em>
<a name="240" href="#240">240</a> <em>     * @param value the item to prepend to the front of the new array</em>
<a name="241" href="#241">241</a> <em>     * @return a new array with value in the first spot</em>
<a name="242" href="#242">242</a> <em>     */</em>
<a name="243" href="#243">243</a>     <strong>public</strong> <strong>static</strong> <strong>int</strong>[] prependArray(<strong>int</strong>[] array, <strong>int</strong> value) {
<a name="244" href="#244">244</a>         <strong>int</strong>[] <strong>new</strong>Array = <strong>new</strong> <strong>int</strong>[array.length + 1];
<a name="245" href="#245">245</a>         System.arraycopy( array, 0, newArray, 1, array.length );
<a name="246" href="#246">246</a>         newArray[0] = value;
<a name="247" href="#247">247</a>         <strong>return</strong> newArray;
<a name="248" href="#248">248</a>     }
<a name="249" href="#249">249</a> 
<a name="250" href="#250">250</a>     <em>/**<em>*</em></em>
<a name="251" href="#251">251</a> <em>     * Take an array of anything and turn it into a string</em>
<a name="252" href="#252">252</a> <em>     * </em>
<a name="253" href="#253">253</a> <em>     * @param array any array</em>
<a name="254" href="#254">254</a> <em>     * @return a string representing that array</em>
<a name="255" href="#255">255</a> <em>     */</em>
<a name="256" href="#256">256</a>     <strong>public</strong> <strong>static</strong> String arrayToString(Object[] array) {
<a name="257" href="#257">257</a>         StringBuilder result = <strong>new</strong> StringBuilder();
<a name="258" href="#258">258</a>         <strong>if</strong> (array != <strong>null</strong> &amp;&amp; array.length > 0) {
<a name="259" href="#259">259</a>             <strong>for</strong> (<strong>int</strong> i = 0; i &lt; array.length; i++) {
<a name="260" href="#260">260</a>                 <strong>if</strong> (i > 0) {
<a name="261" href="#261">261</a>                     result.append(<span class="string">","</span>);
<a name="262" href="#262">262</a>                 }
<a name="263" href="#263">263</a>                 <strong>if</strong> (array[i] != <strong>null</strong>) {
<a name="264" href="#264">264</a>                     result.append(array[i].toString());
<a name="265" href="#265">265</a>                 }
<a name="266" href="#266">266</a>             }
<a name="267" href="#267">267</a>         }
<a name="268" href="#268">268</a>         <strong>return</strong> result.toString();
<a name="269" href="#269">269</a>     }
<a name="270" href="#270">270</a> 
<a name="271" href="#271">271</a>     <em>/**<em>*</em></em>
<a name="272" href="#272">272</a> <em>     * Take a list of number objects and return an int[] array</em>
<a name="273" href="#273">273</a> <em>     * @param list any list of {@link Number}</em>
<a name="274" href="#274">274</a> <em>     * @return an array of int</em>
<a name="275" href="#275">275</a> <em>     */</em>
<a name="276" href="#276">276</a>     <strong>public</strong> <strong>static</strong> <strong>int</strong>[] listToIntArray(List&lt;Number> list) {
<a name="277" href="#277">277</a>         <strong>int</strong>[] <strong>new</strong>Array = <strong>new</strong> <strong>int</strong>[list.size()];
<a name="278" href="#278">278</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; list.size(); i++) {
<a name="279" href="#279">279</a>             newArray[i] = list.get(i).intValue();
<a name="280" href="#280">280</a>         }
<a name="281" href="#281">281</a>         <strong>return</strong> newArray;
<a name="282" href="#282">282</a>     }
<a name="283" href="#283">283</a> 
<a name="284" href="#284">284</a> 
<a name="285" href="#285">285</a>     <em>/**<em>*</em></em>
<a name="286" href="#286">286</a> <em>     * Remove all duplicate objects from a list</em>
<a name="287" href="#287">287</a> <em>     * </em>
<a name="288" href="#288">288</a> <em>     * @param &lt;T></em>
<a name="289" href="#289">289</a> <em>     * @param list any list</em>
<a name="290" href="#290">290</a> <em>     * @return the original list with the duplicate objects removed</em>
<a name="291" href="#291">291</a> <em>     */</em>
<a name="292" href="#292">292</a>     <strong>public</strong> <strong>static</strong> &lt;T> List&lt;T> removeDuplicates(List&lt;T> list) {
<a name="293" href="#293">293</a>         Set&lt;T> s = <strong>new</strong> HashSet&lt;T>();
<a name="294" href="#294">294</a>         <strong>for</strong> (Iterator&lt;T> iter = list.iterator(); iter.hasNext();) {
<a name="295" href="#295">295</a>             T element = (T) iter.next();
<a name="296" href="#296">296</a>             <strong>if</strong> (! s.add(element)) {
<a name="297" href="#297">297</a>                 iter.remove();
<a name="298" href="#298">298</a>             }
<a name="299" href="#299">299</a>         }
<a name="300" href="#300">300</a>         <strong>return</strong> list;
<a name="301" href="#301">301</a>     }
<a name="302" href="#302">302</a> 
<a name="303" href="#303">303</a>     <em>/**<em>*</em></em>
<a name="304" href="#304">304</a> <em>     * Create a set from any array</em>
<a name="305" href="#305">305</a> <em>     * </em>
<a name="306" href="#306">306</a> <em>     * @param array any array (including null or empty)</em>
<a name="307" href="#307">307</a> <em>     * @return the set with the values from the array</em>
<a name="308" href="#308">308</a> <em>     */</em>
<a name="309" href="#309">309</a>     <strong>public</strong> <strong>static</strong> &lt;T> Set&lt;T> makeSetFromArray(T[] array) {
<a name="310" href="#310">310</a>         Set&lt;T> set = <strong>new</strong> HashSet&lt;T>();
<a name="311" href="#311">311</a>         <strong>if</strong> (array != <strong>null</strong>) {
<a name="312" href="#312">312</a>             <strong>for</strong> (<strong>int</strong> i = 0; i &lt; array.length; i++) {
<a name="313" href="#313">313</a>                 <strong>if</strong> (array[i] != <strong>null</strong>) {
<a name="314" href="#314">314</a>                     set.add(array[i]);
<a name="315" href="#315">315</a>                 }
<a name="316" href="#316">316</a>             }
<a name="317" href="#317">317</a>         }
<a name="318" href="#318">318</a>         <strong>return</strong> set;
<a name="319" href="#319">319</a>     }
<a name="320" href="#320">320</a> 
<a name="321" href="#321">321</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

